<?php
 error_reporting(E_ALL); set_time_limit(0); date_default_timezone_set('Europe/London'); ?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />

<title>PHPExcel Calculation Examples</title>

</head>
<body>

<h1>TIMEVALUE</h1>
<h2>Converts a time in the form of text to a serial number.</h2>
<?php
 set_include_path(get_include_path() . PATH_SEPARATOR . '../../../../Classes/'); include 'PHPExcel.php'; $objPHPExcel = new PHPExcel(); $worksheet = $objPHPExcel->getActiveSheet(); $testDates = array( '3:15', '13:15', '15:15:15', '3:15 AM', '3:15 PM', '5PM', '9:15AM', '13:15AM' ); $testDateCount = count($testDates); for($row = 1; $row <= $testDateCount; ++$row) { $worksheet->setCellValue('A'.$row, $testDates[$row-1]); $worksheet->setCellValue('B'.$row, '=TIMEVALUE(A'.$row.')'); $worksheet->setCellValue('C'.$row, '=B'.$row); } $worksheet->getStyle('C1:C'.$testDateCount) ->getNumberFormat() ->setFormatCode('hh:mm:ss'); echo '<hr />'; ?>
<table border="1" cellspacing="0">
	<tr>
		<th>Time String</th>
		<th>Formula</th>
		<th>Excel TimeStamp</th>
		<th>Formatted TimeStamp</th>
	</tr>
	<?php
 for ($row = 1; $row <= $testDateCount; ++$row) { echo '<tr>'; echo '<td>' , $worksheet->getCell('A'.$row)->getFormattedValue() , '</td>'; echo '<td>' , $worksheet->getCell('B'.$row)->getValue() , '</td>'; echo '<td>' , $worksheet->getCell('B'.$row)->getFormattedValue() , '</td>'; echo '<td>' , $worksheet->getCell('C'.$row)->getFormattedValue() , '</td>'; echo '</tr>'; } ?>
</table>